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http://dx.doi.org/10.5762/KAIS.2013.14.7.3412

Experimental study on build up characteristic of glass dosimeter of preheat and Non-preheat in low energy according to delay time  

Son, Jin-Hyun (Department of Biomedical Engineering, Chungnam National University)
Min, Jung-Whan (Department of Radiology, Shin-Gu University)
Kim, Ki-Won (Department of Radiology, Shin-Gu University)
Son, Soon-Yong (Department of Radiology, Asan Medical Center)
Lim, Hyun-Soo (Department of Biomedical Engineering, Chungnam National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.14, no.7, 2013 , pp. 3412-3418 More about this Journal
Abstract
The Purpose of this study was to evaluate by comparing the dose change and build up characteristic according to delay time in 30 days of glass dosimeter processed preheat and non preheat when measuring accumulation dose of radiation by using glass dosimeter over the long haul. For obtaining low dose with 0.1 mGy, 1 mGy and 5 mGy, we employed diagnostic generator AccuRay-650R. We compared the build up characteristic over the long haul by exposuring radiation to 30 glass dosimeters sorted into 10 glass dosimeters per tube voltage and current. In Non preheat glass dosimeter, initial measured dose was inferior to exposed dose but as time goes on, was close to exposed dose steadily. In 72 hour after experiment end, non preheat glass dosimeters were not indicated the difference from preheat glass dosimeters and statistical analysis were meaningful (p>0.05). Initial measured dose for low glass dosimeter processed preheat was close to exposed dose and stable. After 15 days dose was gradually increased. Previous study characteristics of glass dosimeter were with respect to characteristic of glass dosimeter in high dose of high energy area. However, in this study, we make a judgment to measure the dose of glass dosimeter without preheat processing when measuring the accumulation dose of low dose in conclusion.
Keywords
Glass dosimeter; Preheat; Non preheat;
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Times Cited By KSCI : 5  (Citation Analysis)
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